Lens tubes change your existing Source Four to give different field angles. This is a 5 degree Black Lens Tube with Lens for the ETC Source Four Ellipsoidal Spotlight. It provides the narrowest spread of light when installed in any ETC spotlight. Install this tube for highlighting an individual performer, or a small area on stage.

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Expands the capabilities of your Source Four spotlight

Throw Distance (d)

• 65’: 19.8m
• 100’: 30.5m
• 135’: 41.1m
• 165’: 50.3m

Field Diameter

• 65’: 7.9’/ 2.4m
• 100’: 12.2’/ 3.7m
• 135’: 16.4’/ 5.0m
• 165’: 20.1’/ 6.1m